linux command cp.

Examples

cp file1.txt newdir

Copies the file1.txt in the current
directory to the newdir subdirectory.

cp /home/public_html/mylog.txt /home/public_html/backup/mylog.bak

Copies the file mylog.txt in
the public_html directory into
the public_html/backupdirectory
as mylog.bak.

cp -u *.txt newdir

Copy all files ending in .txt into
the newdir directory, but only if the files do not
already exist in the new directory, or if the files being copied are newer.

cp -r /home/hope/files/* /home/hope/backup

Recursively copies all the files, directories, and subdirectories
in the/home/hope/files directory into
the /home/hope/backup directory.